USD250898SExpiredUtility

Building block

78
Individually held — no corporate assignee on recordPriority: May 9, 1977Filed: May 9, 1977Granted: Jan 23, 1979
Est. expiryMay 9, 1997(expired)· nominal 20-yr term from priority
Inventors:James A. Schuring
78
PatentIndex Score
15
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a building block, as shown.

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